#include <iostream>
using namespace std;

int main(void)
{


    cout << "hello world" << endl;
    cout << "hello world" << endl;
    cout << "hello world" << endl;
    cout << "hello world" << endl;
    cout << "hello world" << endl;
    cout << "hello world" << endl;
    cout << "hello world 2" << endl;

    return 0;
}
